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You wrote 'Movie has a theme called theme': but the 'called' here appears to be unnecessary, and this sentence should be simplified. For example, 'A door has a number called number' is not allowed: it should be just 'A door has a number', or something more specific like 'A door has a number called the street number'.
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and, in particular, uses ``number'' as its example property type. But, per 0000517:0001500, ``a problem message has been added for using "has a number."''

Minimal Source Text To Reproduce

There is a room.
Theme is a kind of value.
The themes are good and bad.
Movie is a thing.
Movie has a theme called theme.
A door has a number.